<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            min-width: 500px;
        }
        div{
            text-align: center;
        }
        #main{
            background-color: #ddd;
            width: 100%;
        }
        #main #main-wrapper{
            margin-left: 100px;
            margin-right: 50px;
        }
     
        #left{
            background-color: orange;
            width: 100px;
            margin-left: -100%;
        }
        #right{
            background-color: green;
            width: 50px;
            margin-right: -50px;
        }
        .column{
            float: left;
        }
    </style>
</head>
<body>
    <h1>实现双飞翼布局</h1>
    <div id="main" class="column">
        <div id="main-wrapper">Main</div>
    </div>
    <div id="left" class="column">Left</div>
    <div id="right" class="column">Right</div>
</body>
</html>